Battery pack



FIG. 1 is a front perspective view of the battery pack embodying my design;

FIG. 2 is a bottom left perspective view of the battery pack as shown in FIG. 1;

FIG. 3 is a top plan view of the battery pack as shown in FIG. 1;

FIG. 4 is a bottom plan view of the battery pack as shown in FIG. 1;

FIG. 5 is a front elevational view of the battery pack as shown in FIG. 1; and,

FIG. 6 is a back elevational view of the battery pack as shown in FIG. 1.

The portions of the clip shown in broken lines form no part of the claimed design. 

I claim the ornamental design for the battery pack, as shown and described. 